/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Sampling/MeshSurfaceSampler.h
Compute a sample at the given UV/3D location specified by CachedSampleInfo, which presumably was produced by previous calls toSampleUV()true if valid sample was computed
virtual bool CachedSampleUV ( const [FMeshUVSampleInfo](API\Plugins\DynamicMesh\Sampling\FMeshUVSampleInfo) & CachedSampleInfo, SampleType & ResultOut )